/** Initialize the tokenizer. */
void vtkParse_InitTokenizer(
StringTokenizer *tokens, const char *text, parse_space_t wstype)
{
tokens->tok = 0;
tokens->hash = 0;
tokens->text = text;
tokens->len = 0;
tokens->ws = wstype;
vtkParse_NextToken(tokens);
}
/* Write code for execution after the method parameters are evaluated */
static void vtkWrapPython_SubstituteCode(
FILE *fp, ClassInfo *data, FunctionInfo *func, const char *code)
{
StringTokenizer t;
int qualified = 0;
int matched;
int j;
/* tokenize the code according to C/C++ rules */
vtkParse_InitTokenizer(&t, code, WS_DEFAULT);
do
{
/* check whether we have found an unqualified identifier */
matched = 0;
if ((t.tok == TOK_ID || t.tok == '#') && !qualified)
{
/* check for "this" */
if (t.len == 4 && strncmp(t.text, "this", 4) == 0)
{
fprintf(fp, "op");
matched = 1;
}
if (!matched) /* check for parameters */
{
ValueInfo *arg = NULL;
/* check for positional parameter "#n" */
if (t.tok == '#' && vtkParse_NextToken(&t) && t.tok == TOK_NUMBER)
{
j = (int)atol(t.text);
arg = func->Parameters[j];
}
else
{
for (j = 0; j < func->NumberOfParameters; j++)
{
const char *name;
arg = func->Parameters[j];
name = arg->Name;
if (name && strlen(name) == t.len &&
strncmp(name, t.text, t.len) == 0)
{
break;
}
arg = NULL;
}
}
if (arg)
{
matched = 1;
if (vtkWrap_IsSpecialObject(arg) && !vtkWrap_IsPointer(arg))
{
fprintf(fp, "(*temp%d)", j);
}
else
{
fprintf(fp, "temp%d", j);
}
}
}
if (!matched) /* check for class members */
{
for (j = 0; j < data->NumberOfItems; j++)
{
ItemInfo *item = &data->Items[j];
const char *name = NULL;
int is_static = 0;
if (item->Type == VTK_FUNCTION_INFO)
{
/* methods */
name = data->Functions[item->Index]->Name;
is_static = data->Functions[item->Index]->IsStatic;
}
else if (item->Type == VTK_VARIABLE_INFO)
{
/* member variables */
name = data->Variables[item->Index]->Name;
is_static = data->Variables[item->Index]->IsStatic;
}
else if (item->Type == VTK_CONSTANT_INFO)
{
/* enum values and other constants */
name = data->Constants[item->Index]->Name;
is_static = 1;
}
if (name && strlen(name) == t.len &&
strncmp(name, t.text, t.len) == 0)
{
if (is_static)
{
fprintf(fp, "%s::%s", data->Name, name);
}
else
{
fprintf(fp, "op->%s", name);
}
matched = 1;
break;
}
}
}
}
if (!matched)
{
fprintf(fp, "%*.*s", (int)t.len, (int)t.len, t.text);
}
/* if next character is whitespace, add a space */
if (vtkParse_CharType(t.text[t.len], CPRE_WHITE))
{
fprintf(fp, " ");
}
/* check whether the next identifier is qualified */
qualified = (t.tok == TOK_SCOPE ||
t.tok == TOK_ARROW ||
t.tok == '.');
}
while (vtkParse_NextToken(&t));
}